Expired, full termArchiveSolo inventor
Device for testing the position of driving shafts in piston machines and the like
US 1,667,995 A · Inventors: ADOLF STEINLE
Overview
The published document from the USPTO: abstract, claims, description and drawings. Open it full size
Read the whole patent
Listed from its USPTO record in Patent Yard's full-term archive. Its claims, description and drawings are in the USPTO PDF and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted May 1, 1928. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by May 1, 1945.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledNovember 27, 1926
GrantedMay 1, 1928
Term endedMay 1, 1945
Application number—
Classification (CPC)B25D5/02 +1 more
Length4 pages
Timeline
Timeline From USPTO dates
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.